The conspiratorial move against HIV science and its consequences -- AIDS origin conspiracy theories in the United States and South Africa -- Who believes AIDS conspiracy theories and why leadership matters -- Science, politics, and credibility : David Gilbert fights AIDS conspiracy beliefs in US prisons -- Science, conspiracy theory, and the South African AIDS policy tragedy -- Hero scientists, cultropreneurs, living icons, and praise-singers : AIDS denialism as community -- Defending the imprimatur of science : Duesberg and the medical hypotheses saga -- The conspiratorial move and the struggle for evidence-based medicine